ADATA vs External Hard Drives & SSDs
Side-by-side price per gigabyte comparison across 5 products.
As of March 2026, ADATA averages $0.2355/GB across 4 products while External averages $0.0281/GB across 1 products on BuyPerUnit. External offers 88% better value per gigabyte for hard drives & ssds.
ADATA
External
Better ValueCheapest Product
External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R1TB · $28.11 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | ADATA | ADATA Ultimate SU650 Solid State Drive - 1TB Internal SSD - 2.5" SATA 6Gb/s - PC Upgrade - High-Speed, Secure Data Storage - Advanced Error Correction - Desktop Compatible - ASU650SS-1TT-R | 1 TB | $0.1150 | $115.00 | amazon |
| 1 | External | External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R | 1TB | $0.0281 | $28.11 | newegg |
| 2 | ADATA | ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) | 512GB | $0.1738 | $88.99 | newegg |
| 3 | ADATA | ADATA SC735 External SSD - 2TB USB 3.2 Gen2 Portable Solid State Drive for Gaming & High Speed Data Transfer - Up to 1050/1000MB/s - MIL-STD Drop Resistant - Black/Grey - 1 Count | 2 TB | $0.1881 | $376.12 | amazon |
| 4 | ADATA | 256GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 | 256GB | $0.4653 | $119.11 | newegg |
Which Should You Buy?
Based on current pricing data, External offers better overall value for hard drives & ssds at an average of $0.0281/GB compared to ADATA's $0.2355/GB — that's roughly 88% less per gigabyte.
External's best deal is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R (1TB) at $0.0281/GB, while ADATA's cheapest option is the ADATA Ultimate SU650 Solid State Drive - 1TB Internal SSD - 2.5" SATA 6Gb/s - PC Upgrade - High-Speed, Secure Data Storage - Advanced Error Correction - Desktop Compatible - ASU650SS-1TT-R (1 TB) at $0.1150/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is ADATA or External cheaper per GB for hard drives & ssds?
As of March 2026, External averages $0.0281/GB compared to ADATA at $0.2355/GB. External is approximately 88% cheaper per gigabyte on average.
How many ADATA and External hard drives & ssds does BuyPerUnit track?
BuyPerUnit currently tracks 4 ADATA products and 1 External products in the hard drives & ssds category, all ranked by price per gigabyte.
What is the cheapest ADATA hard drives & ssd per GB?
The cheapest ADATA option is the ADATA Ultimate SU650 Solid State Drive - 1TB Internal SSD - 2.5" SATA 6Gb/s - PC Upgrade - High-Speed, Secure Data Storage - Advanced Error Correction - Desktop Compatible - ASU650SS-1TT-R at $0.1150/GB ($115.00 for 1 TB).
What is the cheapest External hard drives & ssd per GB?
The cheapest External option is the External Hard Drive Conversion Box For Series X/S Host M.2 Hard Drive Expansion Card Box For CHSN530 1TB Hard Disk-N33R at $0.0281/GB ($28.11 for 1TB).